A rod 1 m long is 10 cm2 in area for a portion of its length and 5 cm2 in area for the remaining. The strain energy of this stepped bar is 40% of that a bar 10cm2 in area and 1m long under the same maximum stress. What is the length of the portion 10cm2 in area.
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hello me yaha likh nahi sati thi to word m bana lya dekh lo aur samjh lo.
Explanation:
dekho lo
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